A mixer for pulsed exhaust gas recirculation (EGR) includes a fresh intake air conduit having an inlet opening configured to be placed into fluid communication with a fresh intake air source, an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream
A mixer for pulsed exhaust gas recirculation (EGR) includes a fresh intake air conduit having an inlet opening configured to be placed into fluid communication with a fresh intake air source, an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit, and an EGR conduit configured to introduce pulsed EGR into the EGR pocket.
대표청구항▼
1. A mixer for pulsed exhaust gas recirculation (EGR), comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed in fluid communication with a fresh intake air source;(b) an EGR pocket having an upstream opening in fluid communication with an upstream air source and
1. A mixer for pulsed exhaust gas recirculation (EGR), comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed in fluid communication with a fresh intake air source;(b) an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit, wherein the downstream opening is smaller in size than the upstream opening; and(c) an EGR conduit configured to introduce pulsed EGR into the EGR pocket. 2. The mixer of claim 1, wherein the upstream air source is the fresh intake air source flowing through the fresh intake air conduit. 3. The mixer of claim 1, wherein the EGR conduit is in fluid communication with the EGR pocket through an EGR opening in the EGR pocket that is positioned closer to the downstream opening than the upstream opening. 4. The mixer of claim 1, wherein the upstream opening of the EGR pocket is positioned nearest the inlet opening of the fresh intake air conduit, and the downstream opening of the EGR pocket is positioned nearest an outlet opening of the fresh intake air conduit. 5. The mixer of claim 1, wherein the EGR pocket is disposed within an interior of the fresh intake air conduit. 6. A mixer for a pulsed exhaust gas recirculation (EGR) system having at least one EGR cylinder and at least one non-EGR cylinder, an intake manifold in fluid communication with a fresh intake air source and the at least one EGR cylinder and at least one non-EGR cylinders, and an exhaust manifold, the mixer comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed into fluid communication with the fresh intake air source and an outlet opening configured to be placed into fluid communication with the intake manifold; and(b) an EGR pocket assembly, comprising: (i) an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit, wherein the downstream opening is smaller in size than the upstream opening; and(ii) an EGR conduit configured to introduce exhaust gas into the EGR pocket. 7. The mixer of claim 6, wherein the upstream air source is the fresh intake air source flowing through the fresh intake air conduit. 8. The mixer of claim 6, wherein the EGR conduit is in fluid communication with the EGR pocket through an EGR opening in the EGR pocket, the EGR opening positioned closer to the downstream opening than the upstream opening. 9. The mixer of claim 6, wherein a ratio of a cross-sectional size of the downstream opening to a cross-sectional size of the fresh intake air conduit is equal to a ratio of the at least one EGR to the at least one non-EGR cylinder. 10. The mixer of claim 6, wherein the upstream opening of the EGR pocket is positioned nearest the inlet opening of the fresh intake air conduit, and the downstream opening of the EGR pocket is positioned nearest the outlet opening of the fresh intake air conduit. 11. The mixer of claim 6, wherein the EGR pocket is disposed within an interior of the fresh intake air conduit. 12. A mixer for pulsed exhaust gas recirculation (EGR), comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed in fluid communication with a fresh intake air source;(b) an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit; and(c) an EGR conduit configured to introduce pulsed EGR into the EGR pocket, wherein the EGR conduit is in fluid communication with the EGR pocket through an EGR opening in the EGR pocket that is positioned closer to the downstream opening than the upstream opening. 13. The mixer of claim 12, wherein the upstream air source is the fresh intake air source flowing through the fresh intake air conduit. 14. The mixer of claim 12, wherein the upstream opening of the EGR pocket is positioned nearest the inlet opening of the fresh intake air conduit, and the downstream opening of the EGR pocket is positioned nearest an outlet opening of the fresh intake air conduit. 15. The mixer of claim 12, wherein the EGR pocket is disposed within an interior of the fresh intake air conduit. 16. A mixer for pulsed exhaust gas recirculation (EGR), comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed in fluid communication with a fresh intake air source;(b) an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit, wherein the upstream opening of the EGR pocket is positioned nearest the inlet opening of the fresh intake air conduit, and the downstream opening of the EGR pocket is positioned nearest an outlet opening of the fresh intake air conduit; and(c) an EGR conduit configured to introduce pulsed EGR into the EGR pocket. 17. The mixer of claim 16, wherein the upstream air source is the fresh intake air source flowing through the fresh intake air conduit. 18. The mixer of claim 16, wherein the EGR conduit is in fluid communication with the EGR pocket through an EGR opening in the EGR pocket that is positioned closer to the downstream opening than the upstream opening. 19. The mixer of claim 16, wherein the EGR pocket is disposed within an interior of the fresh intake air conduit. 20. A mixer for a pulsed exhaust gas recirculation (EGR) system having at least one EGR cylinder and at least one non-EGR cylinder, an intake manifold in fluid communication with a fresh intake air source and the at least one EGR cylinder and at least one non-EGR cylinders, and an exhaust manifold, the mixer comprising: (a) a fresh intake air conduit having an inlet opening configured to be placed in fluid communication with the fresh intake air source and an outlet opening configured to be placed into fluid communication with the intake manifold; and(b) an EGR pocket assembly, comprising: (i) an EGR pocket having an upstream opening in fluid communication with an upstream air source and a downstream opening in fluid communication with the fresh intake air conduit; and(ii) an EGR conduit configured to introduce exhaust gas into the EGR pocket, wherein the EGR conduit is in fluid communication with the EGR pocket through an EGR opening in the EGR pocket, the EGR opening positioned closer to the downstream opening than the upstream opening.
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